JPS5429370A - Production of tubular film of sythetic resin - Google Patents

Production of tubular film of sythetic resin

Info

Publication number
JPS5429370A
JPS5429370A JP9495577A JP9495577A JPS5429370A JP S5429370 A JPS5429370 A JP S5429370A JP 9495577 A JP9495577 A JP 9495577A JP 9495577 A JP9495577 A JP 9495577A JP S5429370 A JPS5429370 A JP S5429370A
Authority
JP
Japan
Prior art keywords
production
tubular film
sythetic resin
sythetic
resin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9495577A
Other languages
Japanese (ja)
Inventor
Teruo Yoshimura
Masaru Nakamura
Hiroshi Wachi
Shigeki Sugimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokuyama Corp
Original Assignee
Tokuyama Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tokuyama Corp filed Critical Tokuyama Corp
Priority to JP9495577A priority Critical patent/JPS5429370A/en
Publication of JPS5429370A publication Critical patent/JPS5429370A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

PURPOSE:The gas round the outer surface of a molten tube of extruded synthetic resin is removed by sucking and a cooling gas is blown from a ring, thus enabling the high-speed production of tubular films and the contraction of cooling zone.
JP9495577A 1977-08-10 1977-08-10 Production of tubular film of sythetic resin Pending JPS5429370A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9495577A JPS5429370A (en) 1977-08-10 1977-08-10 Production of tubular film of sythetic resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9495577A JPS5429370A (en) 1977-08-10 1977-08-10 Production of tubular film of sythetic resin

Publications (1)

Publication Number Publication Date
JPS5429370A true JPS5429370A (en) 1979-03-05

Family

ID=14124350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9495577A Pending JPS5429370A (en) 1977-08-10 1977-08-10 Production of tubular film of sythetic resin

Country Status (1)

Country Link
JP (1) JPS5429370A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6144624A (en) * 1984-08-09 1986-03-04 Tounen Sekiyu Kagaku Kk Tubular film forming air cooling equipment
JPS61181714U (en) * 1985-05-02 1986-11-13
DE102009037524A1 (en) * 2009-08-17 2011-02-24 Kiefel Extrusion Gmbh Cooling device for film in blown film system, has discharging unit discharging cooling fluid and exerting suction force on cooling force, and longitudinal distribution unit provided for distributing suction force on film
US10391696B2 (en) 2016-01-15 2019-08-27 Addex, Inc. High performance cooling element

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6144624A (en) * 1984-08-09 1986-03-04 Tounen Sekiyu Kagaku Kk Tubular film forming air cooling equipment
JPS61181714U (en) * 1985-05-02 1986-11-13
DE102009037524A1 (en) * 2009-08-17 2011-02-24 Kiefel Extrusion Gmbh Cooling device for film in blown film system, has discharging unit discharging cooling fluid and exerting suction force on cooling force, and longitudinal distribution unit provided for distributing suction force on film
DE102009037524B4 (en) 2009-08-17 2025-05-08 Reifenhäuser GmbH & Co. KG Maschinenfabrik Cooling device, use of a cooling device and blown film system
US10391696B2 (en) 2016-01-15 2019-08-27 Addex, Inc. High performance cooling element

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